TwinTurbo.NET: Nissan 300ZX forum - Boost is irrelevant, they are not "pop-off" valves >>>
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Subject Boost is irrelevant, they are not "pop-off" valves >>>
     
Posted by LitlElvis on February 27, 2008 at 10:41 AM
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In Reply To how much boost can you run with these? (n/m) posted by JaffaUK on February 27, 2008 at 01:31 AM
     
Message The recircs are controlled by the diaphragm and the diaphragm in the recirc has much more surface area than the valve face that's exposed to boost pressure. When hooked up properly, both the diaphragm and the valve face are exposed to the same boost pressure... the diaphragm will always have more force which will prevent the valve from opening.

     
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